Advertisements
Advertisements
प्रश्न
Solve: `"2x"/3 + "x"/2 - "3x"/4 = 1`
उत्तर
`"2x"/3 + "x"/2 - "3x"/4 = 1`
⇒ `("8x + 6x - 9x")/12 = 1`
⇒ 8x + 6x - 9x = 12 × 1
⇒ 8x + 6x - 9x = 12
⇒ 14x - 9x = 12
⇒ 5x = 12
⇒ x = `12/5 = 2 2/5`
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
14 = 27 - x
Solve the following equation:
2b – 14 = 8
9 + m = 6m + 8 – m
6b + 40 = – 100 – b
6 – 5m – 1 + 3m = 0
9 (a+ 5) + 2 = 11
Solve: 2x + 20% of x = 12.1
If 15 is added to a number, the result is 69, find the number.
A man has ₹ x from which he spends ₹6. If twice of the money left with him is ₹86, find x.
Solve the following equations for the unknown: 3x + 8 = 35
Solve the following equations for the unknown: `(3x - 5)/(7x - 5) = (1)/(9), x ≠ (5)/(7)`
Solve the following equations for the unknown: `(6x + 7)/(3x + 2) = (4x + 5)/(2x + 3)`
A and B together can complete a piece of work in 6 days. A can do it alone in 10 days. Find the number of days in which B alone can do the work.
A and B together can do a piece of work in 4 days, but A alone can do it in 12 days. How many days would B alone take to do the same piece of work?
What number increased by 15% of itself gives 2921?
There are certain benches in a classroom. If 4 students sit on each bench, 3 benches are left vacant; and if 3 students sit on each bench, 3 students are left standing. What is the total number of students in the class?
A 700 g dry fruit pack costs Rs. 72. It contains some cashew kernels and the rest as dry grapes. If cashew kernel costs Rs. 96 per kg and dry grapes cost Rs. 112 per kg, what were the quantities of the two dry fruits separately?
The ages of A and B are in the ratio 7:5.Ten years hence, the ratio of their ages will be 9:7. Find their ages.
The perimeter of a rectangular field is 80m. If the breadth is increased by 2 m and the length is decreased by 2 m, the area of the field increases by 36m2.Find the length and breadth of the field.
